//
//  ZYUserAcount.swift
//  weiboZY
//
//  Created by 赵勇 on 16/5/12.
//  Copyright © 2016年 赵勇. All rights reserved.
//

import UIKit

class ZYUserAcount: NSObject,NSCoding {

    // 用户授权的唯一票据
    var access_token: String?
    
    // access_token的生命周期,单位秒
    var expires_in: NSTimeInterval = 0 {
        
        didSet{
            // 过期时间= 当前时间 + 过期时间
            expiresDate = NSDate().dateByAddingTimeInterval(expires_in)
        }
        
    }
    
    // 过期时间
    var expiresDate: NSDate?
    // 授权用户的UID
    var uid: Int64 = 0
    // 用户名
    var name: String?
    
    // 用户头像
    var avatar_large: String?
    
    // kvc构造函数
    init(dict: [String:AnyObject]) {
        super.init()
        setValuesForKeysWithDictionary(dict)
    }
    // 防止键值不匹配
    override func setValue(value: AnyObject?, forUndefinedKey key: String) {
        
    }
    
    override var description: String {
        
        let keys = ["access_token","expires_in","uid","name"]
      return  dictionaryWithValuesForKeys(keys).description
        
    }
    
    
    // MARK: -归档与解档
    // 归档
    func encodeWithCoder(aCoder: NSCoder) {
        aCoder.encodeObject(access_token, forKey: "access_token")
        aCoder.encodeObject(expiresDate, forKey: "expiresDate")
        aCoder.encodeInt64(uid, forKey: "uid")
        aCoder.encodeObject(name, forKey: "name")
        aCoder.encodeObject(avatar_large, forKey: "avatar_large")
    }
    // 解档
     required init?(coder aDecoder: NSCoder) {
        access_token = aDecoder.decodeObjectForKey("access_token") as? String
        expiresDate = aDecoder.decodeObjectForKey("expiresDate") as? NSDate
        uid = aDecoder.decodeInt64ForKey("uid")
        name = aDecoder.decodeObjectForKey("name") as? String
        avatar_large = aDecoder.decodeObjectForKey("avatar_large") as? String
        
    }
    
    // 归档的对象方法(保存用户信息)
    func saveUserAccount() -> Bool {
        
        // 归档路径
        let path = (NSSearchPathForDirectoriesInDomains(.DocumentDirectory, .UserDomainMask, true).last! as NSString).stringByAppendingPathComponent("userAccount.archiver")
             print(path)
         return NSKeyedArchiver.archiveRootObject(self, toFile: path)
   
    }
    
    // 解档
    class func loadUserAccount() -> ZYUserAcount? {
        let path = (NSSearchPathForDirectoriesInDomains(.DocumentDirectory, .UserDomainMask, true).last! as NSString).stringByAppendingPathComponent("userAccount.archiver")
        return NSKeyedUnarchiver.unarchiveObjectWithFile(path) as? ZYUserAcount
    }
    
}
